Refrigeration unit



FIG. 1 is a front perspective view of a refrigeration unit showing the new design;

FIG. 2 is a front view of the refrigeration unit shown in FIG. 1;

FIG. 3 is a rear view of the refrigeration unit shown in FIG. 1;

FIG. 4 is a right side view of the refrigeration unit shown in FIG. 1;

FIG. 5 is a left side view of the refrigeration unit shown in FIG. 1;

FIG. 6 is a top view of the refrigeration unit shown in FIG. 1; and,

FIG. 7 is a bottom view of the refrigeration unit shown in FIG. 1.

The broken line showing of the side, rear, and front vents is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for refrigeration unit, as shown and described. 